Doffing apparatus for spinning, doubling, twisting, and like machines



STELL ET AL DOFF'ING KPPARATUS FOR SPINNING, DOUBLING, TWISTING, AND LIKE MACHINES Filed May 5, 1918 4 Sheets-Sheet l $43 AE HF Aug, 14, m3. mfimsm A. STELL ET AL DOFFING APPARATUS FOR SPINNING, DOUBLING, TWISTING, AND LIKE MACHINES Filed May 1?, 1918 4 Sheets-Sheet 2 Aug. 114, 3923. 1,464,730)

A. STELL ET AL DOFFING APPARATUS FOR SPINNING, DOUBLING, TWIS'I'ING, AND LIKE MACHINES Filed May 5, 1918 4 SheetsSheet 5 A. STELL ET AL DOFEING APPARATUS FOR SPINNING, DOUBLING, TWISTING, AND LIKE MACHINES Filed May 5, 1918 4 Sheets-Sheet 4 till ALFRED STELL, OF STEETON, NEAR KEIGHLEY, AND JOHN STELL, OF KEIGHLEYZ', YOEX, ENGLAND.

DOIEIEING APPARATUS FOR SPINNING, DOUBLING, TVJIS'FING, AND LIKE TEACHINEQ Application filed 1918;. Serial No. 232,233.

To all whom it may concern:

Be it known that we, Amman S'rn m and Jenn Srnnn, subjects of the of Great Britain, and residents, respectively, of Green Hill, Fit-eeton, near Keighley, in the county of York, England, and 23 i Devonshire Street, Keighley, aforesaid, have invented a certain new and useful Improvement in Boiling Apparatus for Spinning, Doubling, Twisting. and like lrilachines, of which the following description, having reference to the accompanying sheets of drawings, is a specification.

Our invention relates to dotting apparatus for machines known as cap spinning, doubling, twisting and like frames, and consists in an improved arrangement and construction of tie several devices for performing the dotting voperations whereby the number of movements to be performed by the operative is less than with those ofordinary construction. These improvements consist particularly in a new arrangement and construction of receptacles for receiving full bobbins and supplying empty bobbins to the spindles, as also inimprovcments relating to the tin boards or dividing plates which occupy positions between the spindles for purposes well known, these dividing plat-es being automatically moved out of position on the lowering of the spindle rail or lifter plate during or prior to the performance of the dotting operations. while our improvements also comprise other improved details of construction forming our complete dotting motion.

In order that our said invention may be readily understood. we have hereunto appended sheets of drawings illustrative thereof, to which. by figures and letters, reference is made in the following description.

Fig. 1 is an end elevation of a portion of a spinning machine having our improvements applied thereto, the different parts being shown in the positions they occupy during spinning operations.

Fig. 2 is a front elevation of the parts shown by Fig. 1.

Fig. 3 is a sectional end elevation of a portion of a spinning machine with our improvements applied and with the parts also shown in the positions they occupy during spinnin Fig. 42 is a similar View to a portion of Fig. 3 andshows our apparatus as moved during dotting operations.

Fig. 5 is a detail drawing illustrating the means for moving the dividing plates or tins as hereinafter described.

F ig. 6 is a plan showing two of the boxes or receptacles above referred to mounted upon their supporting bar.

' Fig. 7 is an elevation of one of said boxes .or receptacles and as seen in the direction indicated by the arrow 10.

8 is an end elevation of one of said receptacles.

Fig. 9 is a plan of our improved cap support or holder hereinafter described.

Fig. 10 is an end elevation thereof.

Fig. 11 is a detail of a modified form of the connection from the dividing plates to the lifter rail.

Figs. 6 to 10 inclusive are drawn to an enlarged scale as compared with the other Views.

Similar letters and figures of reference indicate like parts throughout the several views.

A. A? represent the top and bottom cross rails of the machine and B the spindle rail. which latter is capable of being raised and lowered in the ordinary manner by means of the racks a and pinions c operated from the hand wheel 0, through the gear wheels a a The spindles l carry caps 2 and the lifter plate 3 is reciprocated in the common and well known manner, the usual devices also being arranged in connection therewith wherein! when drifting operations are to be performed the device for reciprocating said lifter plate mechanically may be put out of gear and, said lifter plate operated by hand.

Mounted in appropriate bearings as those 7 is a shaft 7) upon which are mounted gear x'heels b which gear with racks b while said shaft 72 has fixed upon it a hand lever or the like b by which the shaft 7) is oscillated and the racks Z3 raised into the position indicated by Fig. 4 or lowered therefrom into the positions indicated by Figs. 1 and 2. These racks 7f carry other bearings 0 within which reciprocate raclzs c inions c mounted upon the shaft 0 gearing with said racks 0 an appropriate handle as 0 being mounted on the shaft by which the racks 0 may be moved towards or away from the framework (l. The said racks 0 havefixed upon them a plate (Z extending the length of the frame such plate (5 having fixed upon it at desired intervals brackets (Z which carry a bar (Z also extending the length oi the machine. Mounted upon the bar (Z are a series of boxes or receptacles 6 these also extending throughout the whole length of the frame. to them brackets c which slide upon the bar (Z, and they are capable of being moved simul taneously lengthwise the machine by means of the handle fulcrumed at f and engaging with projecting parts or ears formed or mounted upon the brackets 0 These boxes or receptacles are for the reception of full bobbins a: and empty bobbins 1 the said empty bobbins 3/ being supplied to these receptacles by the operative during spinning operations when such receptacles occupy the positions indicated by Fig. 2, wherein the bobbins 1 are approximately midway between the series 01? spindles 1.

One portion e" of each receptacle is in the form of a vertically disposed tube and is tor the reception of an empty bobbin, an open ing or slot a being made in the base and sides of said receptacles in order that same may be passed laterally over the spindles for the purposes hereinafter described. The lower flange of the empty bobbin y is supported by the part c of the base of the receptacle. These receptacles, as shown by Figs. 6, 7 and S, tit closely against each other the space intervening between one vertically disposed tube a and the next forming a chamber or holder for the reception of a full bobbin m S()Hl6\\"ll2tl3 as shown in broken lines by Fig. 6. A part c is cut out oft-he end of: each receptacle as shown by said Fig. 6 and the straight or regular end or surface of the neighbouring receptacle 1: extends alongside said slotted part to term the slot 2 for the purpose referred to. Extending lengthwise the frame is a shaft 72. preferably square in cross section such shaft having mounted upon it a number ot depending arms 7&1 provided with extending parts or shoes 71? these being for the purpose of supporting the tull bobbins in the manner hereinafter described. Normally these parts 7&1 occupy positions approximately midway between the series of spin dles 1. During do'fling operations the shaft 71. may be moved longitudimilly by its operating handle 72 to bring said shoes opposite to said spindles and beneath the flanges ot the full bobbins The operating handle h is provided with an extending pin 72; which takes through openings in the end frame of the machine or in the bracket it, and when said pin 76* is in one position in They have attached said end frame the arms h and shoes 72, are in the positions illustrated by Fig. 3. How ever when doiiing operations are to be performed the shatt it is moved horizontally by the handle if and immediately the pin 71 is clear of the opening through which 1L takes the shoes h are then in position opposite to or in alignment with the spindles 1.

Taking through appropriate bearings m are a series of racks in operated by quadrants mfi fixed upona shaft 772. at the end of which is a lever arm m having a handle m by which it is moved. These racks m carry a plate or bar at extending lengthwise the machine and having mounted upon it plates 12 having slots n of sufficient width to pass over the necks 2 of the caps 2 but sutliciently narrow tor the heads 2 of said caps 2 to rest thereon. The bar n iscapable of being moved from the position indicated by Fig. 3 to a position where when the caps are raised as hereinafter described the plate will pass over the necks 2 and support the heads 2 while they are provided with short upwardly extending lips n for the purpose of preventing the heads 2* of the caps 2 from being easily dislodged from said holders 12 The movement of said plate a is effected by said handle m which is moved from the position indicated by Fig. 1 wherein it engages with a notch in the quadrant plate at to the position wherein said lever engages with the notch m in said plate 922 thus r 1c operative may easily tell when the correct amount of movement has been given to said plates m Also carried by the plate a by means of brackets 0 is a plate 0 extending lengthwise the machine and to this plate 0 are hinged at 0 the tread guide boards-0 and dividing plates .9, thus when. said plate a is moved away from the top rail A it carries with it the parts 11 the boards 0 and the dividing plates or tins .9, while when said tins s are automaticallv moved as hereinafter described they carry with them the said boards 0 Fixed upon the part a carrying the.dividing'plates s is a lever 25 which has a chain connection t 'extending to a bracket t fixed upon the spindle rail B. Normally, that is when the parts are in the spinning position, the chain connection I is somewhat slack, however when the spin dle rail is lowered as during dofiing operations this chain 6 becomes tight or taut and lowers said lever it thus swinging the parts 8 and 0 upon their hinge atmoving them from the position indicated by Fig. 3 into that shown by Fig. 4 wherein the plates 8 are moved entirely away from the caps 52 and spindles 1. On the rising of the spindle rail these parts either by gravity or as- 'wardly as above eta-is e the connections to ti that said places 8 are lowered or swun upon their fulcrum, and in order to allow those plates which are oppos te to the 7 mework or bearers to move as desired we term them in sections or in the nature oi a fan by which they may collapse or told when lowered and assume their normal positions as they are raised. Further than this, we may arrange the connections from the plates .9 to the litter plate 3 instead of to the spindle rail B the said plates 8 being; moved thereby as hereinbefore described. The con nection is slack enough to allow the necessary reciprocations of the litter plate 3 during spinning operations, while on the 't'urther lowering of said plate 3 during dotting operations said connection t moves said plates 8 as desired.

The usual rod *0 for causing the severing or breaking of the threads is carried by.le--

ver arms '0 these being supported by the rod '0 carried by brackets 12 mounted upon the plate (Z.

The actions of our improved apparatus are as followst- 7 Taking it that the full bobbins 00 have re ceived their complement of yarn and it is desired to doll or remove same from their spindles and substitute therefor a series of empty bobbins 7 the handle 71, is moved so as to withdraw the pin h from its opening and carry the shoes 71 opposite to the spindles 1 and by releasing said handle 71 these shoes are allowed to move by gravity towards said spindles 1. The spindle rail B is then raised by means of the hand wheel (2- to a position wherein the plates 11, are oppositethe necks 2 of the caps 2 this position of the spindle rail being determined by same coming into contact with an appropriate fixture on the framing C of the frame. The bar a is then advanced by the quadrants m to support the caps 2 in man-- ner hereinbet'ore described, after which the litter plate is raised to such a position that the shoes 7L occupy positions between the lower ends of the full bobbins a: and the upper ends of the'wharles l on which the shoes 72 are passed beneath the bobbins flanges, where they are held by the pin 72 taking into another opening in the framework C formed in the proper position for this purpose. The lifter plate 3 is then lowered by hand to approximately the position indicated by Fig. 4, and the spindle rail also lowered until the upper ends or" the spindles 1 are slightly below the lower ends of the caps 2, the full bobbins :0 being supdles l and ported by the shoes [L2 "in the manner indicated in broken lines by said 4;. litter these 'operation'sftheplate-n is returned so as to carry the aps 2 into position in proximity to the beam or rail ti on which the racks are advanced by their pinions to passthe rece fitacles c laterally over the spin neath the "hill bobbins a: after which the receptacles c and other parts carried by the plate (Z are raised by the rack 7) and wheel 5 carrying:- the full bobbins upwardly until the lower ends oi said itull bobbins are above the upper ends of the spindles 1 on which the receptacles e are moved by the lever 7 so as to bring the empty bob bins opposite to and vertically above the spindles 1. The racks 5 are then lowered passing the empty bobbins 7/ over the spin dles 1. this movement being: continued until the receptacles e are below the lower ends of said empty bobbins 7 on which s id receptacles are withdrawn by the rotation of the pinions c. The shaft 71. isthen oscillated to allow the empty bobbins to tall upon the upper ends oi the wharles 4t an d the rail a again advanced to cause the caps 2 to occupy positions vertically over the spindles 1. The spindle rail B is raised sutliciently for the spindles 1 to support said caps 2 after which said rail n is returned in proximity to the bar or beam A. The spindle rail 18 is then lowered to the spinning position and the litter 3 raised. The t'ull bobbins are moved back to their positions opposite to the spindles l and the rod turned over so as to rest upon the threads extending; to said tull bobbins. so as to sever them on the rotation oi the empty bobbins 7 During the descending of the lifter rail. B the dividing plates or tins s will be raised into the position shown by Fig. l and returned to their normal positions on the raising oi said rail B in the manner hereinbetore described.

Such being the nature and object ol our said invention. what we claim is 1. In spinning, doubling, twisting and like machines. a series o't spindles. a rail carrying said spindles. means for raising" and lowering; said rail. a series 0t dividing; plates or tins, supports For said plates or tins, and a chain and lever connection between said supports and said spindle rail whereby movement of the latter causes oscillation of the dividing; plates or tins.

2. In spinning, doubling". twisting and like machines. a series of spindles. supports for said spindles a series of bobbins fitting over said spindles. litter plate for support in; and traversing said. bobbins a series of dividing? plates or tins means for supporttor traversinglaid sup mg same. means ports horizontally. and a chain connection ill) between saidsupports and said lifter plate whereby vertical movement of the latter causes Oscillation of said plates or tins.

In spinning, doubling, twisting and like maehines a series of spindles, a series of receptacles, means for raising and lowering said receptacles means. for moving said receptacles horizontally in directions at right angles to each other, a series of caps mounted on said spindles, supports for said 10 caps, a bar ca rrying said supports and the supports for a series of dividing plates or tins and thread guide boards, and means for op erating said bar horizontally to movesaid plates or tins, cap holders simultaneously,

ALFRED sTELL. JOHN STELL. 

